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GB1341833A - Digital voltmeter - Google Patents

Digital voltmeter

Info

Publication number
GB1341833A
GB1341833A GB2275070A GB1341833DA GB1341833A GB 1341833 A GB1341833 A GB 1341833A GB 2275070 A GB2275070 A GB 2275070A GB 1341833D A GB1341833D A GB 1341833DA GB 1341833 A GB1341833 A GB 1341833A
Authority
GB
United Kingdom
Prior art keywords
counter
voltage
converter
frequency
input
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB2275070A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gemalto Terminals Ltd
Original Assignee
Solartron Electronic Group Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Solartron Electronic Group Ltd filed Critical Solartron Electronic Group Ltd
Publication of GB1341833A publication Critical patent/GB1341833A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/02—Reversible analogue/digital converters

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
  • Measurement Of Current Or Voltage (AREA)
GB2275070A 1970-05-11 1971-04-30 Digital voltmeter Expired GB1341833A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2275070 1970-05-11

Publications (1)

Publication Number Publication Date
GB1341833A true GB1341833A (en) 1973-12-25

Family

ID=10184483

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2275070A Expired GB1341833A (en) 1970-05-11 1971-04-30 Digital voltmeter

Country Status (4)

Country Link
US (1) US3737891A (de)
DE (1) DE2122799A1 (de)
FR (1) FR2088487B1 (de)
GB (1) GB1341833A (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3868677A (en) * 1972-06-21 1975-02-25 Gen Electric Phase-locked voltage-to-digital converter
US3918048A (en) * 1974-04-15 1975-11-04 Us Navy Apparatus for testing the resolution of an analog to digital converter
GB1508193A (en) * 1975-05-21 1978-04-19 Railweight Inc Ltd Means for automatically correcting for gain variations of a measuring system
US4344067A (en) * 1979-11-21 1982-08-10 Motorola, Inc. Analog to digital converter and method of calibrating same
US4471340A (en) * 1981-06-02 1984-09-11 The United States Of America As Represented By The Secretary Of The Navy Analog to digital converter
DE3511590A1 (de) * 1985-03-27 1986-10-02 CREATEC Gesellschaft für Elektrotechnik mbH, 1000 Berlin Eingangsschaltung fuer ein signalverarbeitungsgeraet
DE3889725D1 (de) * 1988-03-15 1994-06-30 Divetronic Ag Verfahren und vorrichtung zur messfehlerkompensation.
EP0387686A3 (de) * 1989-03-17 1993-03-17 Siemens Aktiengesellschaft Verfahren zur Spannungs-Frequenz-Wandlung und Einrichtung zur Durchführung des Verfahrens
US6735535B1 (en) * 2000-05-05 2004-05-11 Electro Industries/Gauge Tech. Power meter having an auto-calibration feature and data acquisition capabilities
US9080894B2 (en) 2004-10-20 2015-07-14 Electro Industries/Gauge Tech Intelligent electronic device for receiving and sending data at high speeds over a network
US7304586B2 (en) 2004-10-20 2007-12-04 Electro Industries / Gauge Tech On-line web accessed energy meter
US7747733B2 (en) 2004-10-25 2010-06-29 Electro Industries/Gauge Tech Power meter having multiple ethernet ports
US7271996B2 (en) * 2004-12-03 2007-09-18 Electro Industries/Gauge Tech Current inputs interface for an electrical device
US8160824B2 (en) 2005-01-27 2012-04-17 Electro Industries/Gauge Tech Intelligent electronic device with enhanced power quality monitoring and communication capabilities
US8190381B2 (en) 2005-01-27 2012-05-29 Electro Industries/Gauge Tech Intelligent electronic device with enhanced power quality monitoring and communications capabilities
US8620608B2 (en) 2005-01-27 2013-12-31 Electro Industries/Gauge Tech Intelligent electronic device and method thereof
US8587949B2 (en) 2007-03-27 2013-11-19 Electro Industries/Gauge Tech Electronic meter having user-interface and central processing functionality on a single printed circuit board
US10845399B2 (en) 2007-04-03 2020-11-24 Electro Industries/Gaugetech System and method for performing data transfers in an intelligent electronic device
US9989618B2 (en) 2007-04-03 2018-06-05 Electro Industries/Gaugetech Intelligent electronic device with constant calibration capabilities for high accuracy measurements
US20130275066A1 (en) 2007-04-03 2013-10-17 Electro Industries/Gaugetech Digital power metering system
US7786909B2 (en) * 2008-01-21 2010-08-31 Texas Instruments Incorporated Analog to digital converter with improved input overload recovery

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1052814A (de) * 1963-04-03 1900-01-01
NL137727C (de) * 1964-10-16
US3530458A (en) * 1965-10-28 1970-09-22 Westinghouse Electric Corp Analog to digital conversion system having improved accuracy
US3533098A (en) * 1966-03-25 1970-10-06 Nasa Nonlinear analog-to-digital converter
US3491295A (en) * 1966-11-21 1970-01-20 Fluke Mfg Co John R.m.s. instrument having voltage controlled oscillator in feed-back loop
US3541319A (en) * 1967-12-21 1970-11-17 Bendix Corp Apparatus having infinite memory for synchronizing an input signal to the output of an analog integrator

Also Published As

Publication number Publication date
FR2088487B1 (de) 1975-01-17
DE2122799A1 (de) 1971-12-02
US3737891A (en) 1973-06-05
FR2088487A1 (de) 1972-01-07

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee